1983 Guinea-Bissau
1988 Guinea-Bissau
1989 Guinea-Bissau
100 Guinea Bissau Stamps
2020 The Penny Black Against Covid-19, Mint Sheet, Guinea-Bissau
1975 Guinea-Bissau
1976 Guinea-Bissau
1977 Guinea-Bissau
1978 Guinea-Bissau
1982 Guinea-Bissau